package com.xmutca.cloud.auth.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.authentication.configurers.GlobalAuthenticationConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.store.JdbcTokenStore;

import javax.sql.DataSource;

/**
 * @author: 彭伟煌(pengweihuang@xmutca.com)
 * @create: 2017-05-26 14:17
 */
@Configuration
@EnableAuthorizationServer
public class OAuth2AuthorizationConfig extends AuthorizationServerConfigurerAdapter {

    @Autowired
    private AuthenticationManager auth;

    @Autowired
    private DataSource dataSource;

    private BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();

    @Bean
    public JdbcTokenStore tokenStore() {
        return new JdbcTokenStore(dataSource);
    }

    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
        security.passwordEncoder(passwordEncoder);
    }

    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints.authenticationManager(auth).tokenStore(tokenStore());
    }

    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.jdbc(dataSource)
                .passwordEncoder(passwordEncoder)
                .withClient("client")
                .secret("secret")
                .authorizedGrantTypes("password", "refresh_token")
                .scopes("read", "write")
                .accessTokenValiditySeconds(3600) // 1 hour
                .refreshTokenValiditySeconds(2592000) // 30 days

                .and()
                .withClient("account-service")
                .secret("password")
                .authorizedGrantTypes("client_credentials", "refresh_token")
                .scopes("server")

                .and()
                .withClient("svca-service")
                .secret("password")
                .authorizedGrantTypes("client_credentials", "refresh_token")
                .scopes("server")

                .and()
                .withClient("svcb-service")
                .secret("password")
                .authorizedGrantTypes("client_credentials", "refresh_token")
                .scopes("server");
    }

    @Configuration
    @Order(-20)
    protected static class AuthenticationManagerConfiguration extends GlobalAuthenticationConfigurerAdapter {

        @Autowired
        private DataSource dataSource;

        @Override
        public void init(AuthenticationManagerBuilder auth) throws Exception {
            auth.jdbcAuthentication().dataSource(dataSource)
                    .withUser("dave").password("secret").roles("USER")

                    .and()
                    .withUser("anil").password("password").roles("ADMIN");
        }
    }
}